Window screen



T. B. LAYCOCK WINDOW SCREEN July 5, 1927.

Filed June 7. 1926 III-lull" llllllll llllll'l'llllllll.

ll 'tll'lill't 6 I A m lllllllllllll-lllll'llllll ul Patented July 5, 1927.

THOMAS B. LAYCOGK, F INDIANAPOLIS, INDIANA.

WINDOW SCREEN.

Application filed June 7,

The object of this invention is to provide an all metal frame for fly screens, and also for window sash, that will be in two members, front and rear, respectively, of the wire or glass; which are readily separable from each other for the easy and proper assemblyof the wire or glass, in first construction and in subsequent renewals.

A further object is to make a strong durable and neat appearing frame or sash that will be comparatively inexpensive to construct and which lends itseif to manufacture in small units, to be assembled in larger ones at the place of use.

I accomplish the above and other objects which will hereafter appear, by the means illustrated in the accompanying drawing, in which- Fig. 1, is a front elevation of a fly screen showing a union of two smaller units.

Fig. 2, is a view in elevation taken from a position at right angles to that from which Fig. 1, was made.

Fig. 3, is a fragment on a larger scale than Fig. 2, of the top end of the frame.

Fig. 4, is a detail in cross section on the line I-4 of 1, showing the double chan nel or H-bar connection between the two screen units.

Fig. 5, is a front elevation of a window sash embodying my invention, and

Fig. 6, is a detail in cross section on the line 66 of Fig. 5.

Like characters of reference indicate like parts in the several views of the drawing.

Each frame unit is comprised of a front and back member separably bound together at top and bottom by a flattened split tube.

The front and back members are identical in construction and the description of one will apply to both. They comprise vertical bars 7 of strap metal which are formed with middle V-shaped corrugation 8 that not only stiffen and strengthen the structure but add to the ornamental effect by reason of the fact that the turned out corrugations imitate the well known mullions in appearance, and impart a substantial appearance to the frame.

The bars 7 are permanently attached at both upper and lower ends to a transverse angle bar 9 which connects together the up per ends of all of the bars 7 in that member of the frame or sash unit. The fastenings 1926. Serial No. 114,091.

at the intersections are by riveting or spot Welding of the flat portions of the bars 7 to the vertical flange of bar 9. The other flange of bar 9 overlaps the ends of bars 7 andextends a suitable distance beyond the corrugation 8 'of the, latter to provide a free edge which will make a sliding interlock with a flattened split tube 10. 7

Two frame members thus formed are assembled with their flat sides towards each other and their corrugations on the outside, and with a sheet of wire cloth 11 impinged by and between them. The'wire cloth sheet is enough larger to provide the material for a top and bottom flange 12, 12 formed by bending the projecting portions at rightangles into contact with the horizontal flange of bars '9. Then the above assembly is lockedtogetherby sliding a flattened tube over both horizontal flanges of the thin adjacent bars 9 including also the flanges 12 of the wire cloth.

The bars 7 are preferably placed far enough away from the horizontal flanges of bars 9 to leave room for the passage between them of the wall of tube 10 adjacent to the split and thereby the split may be correspondingly narrower than if it had to straddle the corrugations.

This completes a small unit. As many vertical bars 7 may be used as the design of the frame or its strength may require.

The above units may be combined into wider ones by the aid of a double channel or H-bar 13, which is utilized to unite a pair by inserting the two outside flanges of units to be joined in the channel of bar 13. In practice I form the bar 13 by spot-welding two channel bars together.

After the adjacent vertical edges of the smaller units are joined by bar 13, the top and bottom flanges of both units are connected by tubes 10, long enough to extend across the combined widths of the two smaller units.

In the construction of a window sash such as is illustrated in Fig. 5, the formation is the same as for the fly screen as far as the latter goes, butin order to properly finish the outside vertical members the flattened tube construction described for the horizontal rails of the fly screen frame is extended to the outside vertical members. To

this end angle bars 9 are spot Welded to the bars 7, and then they are encased by slidingly placing flattened split tubes 10, as shown. I claim: t 1. A frame for the purposes specified, in two equal entirely separable parts, the plane of separation being parallelwith the outer and inner sides of the frame.

2. A frame for the purposes specified, in two equal entirely separable parts, the plane of separation being parallel with the outer and inner sides of the frame, in combination with means applied to the outer edges of the frame for detachably uniting the parts.

8. A frame for the purposes specified, in two equal entirely separable parts, the plane of separation being parallel. with the outer and inner sides of the frame, each of said parts having one or more outwardly flanged edges at the outside edge of the frame, in combination with a split tube slidingly embracing each pair of flanged edges to unite the frame parts.

4. A frame for the purposes specified, in two separable parts between. which another member is held, each part being comprised of bars in one direction each having a longitudinal corrugation, and angle bars uniting the ends of the corrugated bars and means for removably uniting the two frame parts into a unit.

5. A frame for the purposes specified, in two separable parts between which another member is held, each part being comprised of bars in one direction each having a longitudinalcorrugation, and angle bars uniting the ends of the corrugated bars,'and one or more split tubes slidingly receiving corresponding flanged edges of the parts to unite them into a frame unit.

6. A frame for the purposes specified, in two separable parts between which another member is held, each part being comprised of bars in one direction each having a longitudinal corrugation and having angle bars secured to the corrugated bars at ends and sides of the part, and split tubes slidingly receiving corresponding flanged edges of the parts to unite then'i into a frame unit.

7. A frame for the purposes specifiedin a plurality of smaller units, an H-shaped bar receiving adjacent edges of a pair of units, and split tubes joining the top and bottom edges of the units.

In testimony whereof I affix my signature.

" THOMAS B. LAYCOCK. 

